2168576213 has 2 divisors, whose sum is σ = 2168576214. Its totient is φ = 2168576212.

The previous prime is 2168576177. The next prime is 2168576237. The reversal of 2168576213 is 3126758612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2071888324 + 96687889 = 45518^2 + 9833^2 .

It is a cyclic number.

It is not a de Polignac number, because 2168576213 - 2²⁸ = 1900140757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2168576243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084288106 + 1084288107.

It is an arithmetic number, because the mean of its divisors is an integer number (1084288107).

Almost surely, 2^2168576213 is an apocalyptic number.

It is an amenable number.

2168576213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168576213 is an equidigital number, since it uses as much as digits as its factorization.

2168576213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 2168576213 is about 46567.9741131177. The cubic root of 2168576213 is about 1294.3693779655.

The spelling of 2168576213 in words is "two billion, one hundred sixty-eight million, five hundred seventy-six thousand, two hundred thirteen".